/* S 公用css */
*, ::before, ::after {
    padding: 0;
    margin: 0;
    /* 我们要去除在所有的浏览器当中点击过后有一个高亮效果 */
    -webkit-tap-highlight-color: transparent;
    tap-highlight-color: transparent;
    /* 我们需要设置无哦有的元素宽度以边框开始 */
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: #333;
    background: #f5f5f5;
}

ol, ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #333;
}

input[type="search"], input[type="tel"], textarea {
    border: 0;
    resize: none;
    outline: none;
    -webkit-appearance: none;
}

.f_left {
    float: left;
}

.f_right {
    float: right;
}

.clearfix::after,
.clearfix::before {
    content: ".";
    height: 0;
    line-height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}

/* D 基础样式*/

/* 通用图标 */
[class^="icon_"] {
    background: url("../images/sprites.png") no-repeat;
    background-size: 200px 200px;
}

/* 顶部通栏 */
.jd_topBar {
    width: 100%;
    height: 45px;
    border-bottom: 1px solid #e0e0e0;
    position: absolute;
    top: 0;
    right: 0;
    background: url("../images/header-bg.png") repeat-x;
    background-size: 1px 44px;
}

.jd_topBar .icon_back {
    width: 40px;
    height: 44px;
    padding: 12px 10px;
    background-position: -20px 0;
    position: absolute;
    top: 0;
    left: 0;
    background-clip: content-box;
    background-origin: content-box;
}

.jd_topBar h3 {
    text-align: center;
    line-height: 44px;
    font-size: 16px;
    font-weight: normal;
}

.jd_topBar form {
    width: 100%;
    padding: 0 40px;
}

.jd_topBar form input {
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
    height: 30px;
    margin-top: 7px;
}

.jd_topBar .icon_menu {
    width: 40px;
    height: 44px;
    padding: 12px 10px;
    background-position: -60px 0;
    position: absolute;
    top: 0;
    right: 0;
    background-clip: content-box;
    background-origin: content-box;
}